~javascriptweekly | Bookmarks (248)

Dependency Cruiser 16.5: A Way to Visualize Dependencies — If you want a look at the output, there’s a whole page of graphs for popular, real world projects including Chalk, Yarn, and React.

Reimplementing JavaScript's == in JavaScript — What a trip. Whether or not you’re aware of the ‘quirks’ of JavaScript’s == operator, this could boggle your mind.

HTML Form Validation is Heavily Underused — An exploration of the “powerful validation mechanisms” of HTML forms, opining that they’re underused, and proposing why that lack of utilization may be.

Faker 9.1: Generate Fake, Realistic Data on Demand — Names, bios, addresses, zip codes, dates, monetary amounts, transactions, and a lot more besides. I really like the guided DevTools console based demo you can try – an idea other projects should consider. GitHub repo.

Fraction.js: Library for Working with Rational Numbers — The imprecise representation of floating point numbers can lead to all sorts of problems, so if you’re working with fractions at all, you might want a little more precision, which Fraction.js offers.

Handsontable: Spreadsheet-Like JavaScript Data Grid for Your App — Feature-rich data grid for developers seeking a powerful, customizable, and accessible solution to manage complex data.

Fedify: A Framework for Building ActivityPub Servers — If you want to join the fediverse with an app of your own (rather than leaning on Mastodon, say), this gives you the building blocks you need.

Yantra: A JavaScript Engine for .NET Standard — A managed JS engine for .NET Standard written in C# that supports both CommonJS and ES modules.

SVG.js: SVG Manipulation and Animation Library — A lightweight approach without dependencies. There’s a demo on JSFiddle you can play with. GitHub repo.

Python Jumps to #1 on GitHub Over JavaScript, But... — GitHub Universe took place this week, flooding us with data about how folks are using the platform. Of interest to those on social media was that Python has taken JavaScript's #1 language crown, though many argued that TypeScript (now #3) made an impact here. In positive news, JS still ranks first for code pushes...

Implementing Clean Architecture in Next.js — Learn how to make projects testable and debuggable, independent of UI, framework, database, and external dependencies with the concept of Clean Architecture. Join us live on November 4th.

Should JavaScript Be Split Into Two Languages? — Two weeks ago we linked to an interesting slidedeck presented at TC39 where it was proposed to split JavaScript into two languages: a basic core and a fully featured version that needs tooling to compile it down. This covers a bit more of the story and led to a particularly extensive Hacker News discussion too.

How We Shrunk Our JavaScript Monorepo Git Size by 94% — And by “we”, the author means Microsoft, which had an extremely large 178 gigabyte JavaScript monorepo on its hands – big enough that many employees had problems cloning it at all. Jonathan tells the full story here.

How to Roll Your Own Auth in JavaScript and TypeScript — A snappy look at how to build a session-based authentication system, something Robin notes “does not have to be complicated”.

MongoDB Atlas Search Integration with BuildShip — MongoDB Atlas Search offers powerful full-text search, vector search, and hybrid search capabilities.

Using shadcn/ui with React 19 (and Next.js 15) — Fresh documentation from the shadcn/ui project on the specifics of using the popular component library with React 19 generally, though with a slight emphasis on Next.js 15.

FlexGrid by Wijmo: The Industry-Leading JavaScript Datagrid — A fast and flexible DataGrid for building modern web apps. Key features and virtualized rendering are included in the grid module. Pick and choose special features to keep your app small. Built for JavaScript, extended to Angular, React, and Vue.

GenAIScript: Microsoft's Generative AI Scripting Environment — Microsoft is really poking at AI from all angles. TypeChat introduced a type-safe way to talk to LLMs; now GenAIScript offers a JavaScript-powered way to programmatically assemble prompts and process responses. They claim it “brings essential LLM prompt tooling into a cohesive scripting environment.”

Next.js 15 Released — It’s a big week for the popular (some may even argue default) React framework with Next.js Conf starting today, as well as this release. It includes a codemod CLI for easier upgrading, async request APIs, alignment with React 19, and more.

Learn How to Build a Full Stack Application Using React Native & Expo — Build a cross-platform full-stack app using a single codebase with scalable backend support and authentication.

📊 Vizzu 0.14: A Library for Animated Data Visualizations — Making visualizations is one thing; animating them is much harder. Vizzu helps you create animated data stories and interactive explorers with a variety of showcase examples for inspiration.

eslint-plugin-functional: Rules to Promote Functional Programming — This isn’t for me, but if you want to encourage (or even force) a lack of mutation and a use of FP techniques in your codebase, this could be for you.

Radix Vue: Unstyled, Accessible Components for Vue.js — An unofficial Vue port of the popular Radix UI component library. GitHub repo.

Svelte 5 is Alive — The long awaited next major release of Svelte, the compiler-driven JS UI framework, is the “most significant release in the project’s history”, while remaining largely backwards compatible. A big addition is runes for explicitly declaring reactive state, but there’s much more besides. The official svelte.dev site has also undergone a big rebuild to act as an ‘omnisite’ for all...